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Professional cat flap installers will put your pet's entrance in either a door, or a wall. The wall-mounted version is more secure as an intruder cannot reach through. It also prevents the spread of draughts and also reduces your energy bills. The Tasker will mark the position of the cat flap inside your door, then make the corners of the frame. They will also sand down the edges of the frame to give it a smooth surface. Microchip cat flaps A microchip cat door is an easy and effective method to keep your pet inside your ho